#281E72#281E72

#281E72 is a dark, vivid blue. Relative luminance 0.026; OKLCH L 30.9% C 0.137 H 280.1°. Best body text is #FFFFFF at 13.82:1 contrast (WCAG AA passes).

Color values

HEX	#281E72
RGB	rgb(40, 30, 114)
HSL	hsl(247, 58%, 28%)
HSV	hsv(247, 74%, 45%)
CMYK	cmyk(64.9%, 73.7%, 0%, 55.3%)
CIE-LAB	lab(18.34, 31.18, -46.74)
CIE-LCH	lch(18.34, 56.19, 303.71°)
OKLab	oklab(30.94% 0.0241 -0.1348)
OKLCH	oklch(30.94% 0.137 280.1)
XYZ	xyz(4.3756, 2.5942, 16.1865)
Luminance	0.0260 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#281E72 #68721E

analogous

#1E3E72 #281E72 #521E72

triadic

#281E72 #72281E #1E7228

tetradic

#281E72 #721E3E #68721E #1E7252

square

#281E72 #721E3E #68721E #1E7252

split-complementary

#281E72 #72521E #3E721E

monochromatic

#090618 #171142 #281E72 #392BA2 #4F3ECC

Accessibility & contrast

On white

13.82

#281E72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#281E72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #281E72

13.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##281E72	#FFFFFF	#000000	##FFFFFF
##281E72	1.00	13.82	1.52	13.82
#FFFFFF	13.82	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003075

Deuteranopia (green-blind)

#002970

Tritanopia (blue-blind)

#003545

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #281e72;
/* rgb */ color: rgb(40, 30, 114);
/* oklch */ color: oklch(30.9% 0.137 280.1);

Tailwind

colors: {
  custom: {
    50: '#6c5b9b',
    500: '#281e72',
    950: '#000000',
  },
}

SCSS

$custom: #281e72;
$custom-light: #6c5b9b;
$custom-dark: #000000;

JSON

{
  "hex": "#281e72",
  "rgb": {
    "r": 40,
    "g": 30,
    "b": 114
  },
  "hsl": {
    "h": 247.143,
    "s": 58.333,
    "l": 28.235
  },
  "oklch": {
    "l": 0.30944,
    "c": 0.13693,
    "h": 280.1
  },
  "luminance": 0.02595
}

Semantic roles & 50–950 ramp

primary

#281E72

secondary

#9BA646

accent

#E246CF

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#08040E

muted

#7A797E

Preview Lab

Preview with #281E72

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →